package com.jiangnan.mapper;

import com.jiangnan.pojo.Dept;
import org.apache.ibatis.annotations.*;
import org.springframework.web.bind.annotation.GetMapping;

import java.util.List;

@Mapper
public interface DeptMapper {

    // 方式一： 手动结果映射
//    @Results({
//            @Result(column = "create_time", property = "createTime"),
//            @Result(column = "update_time", property = "updateTime")
//    })
    // 方式二： 起别名
//    @Select("select id, name, create_time createTime, update_time updateTime from dept order by update_time desc")
    @Select("select id, name, create_time, update_time from dept order by update_time desc")
    List<Dept> findAll();

    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);

    @Insert("insert into dept(name, create_time, update_time) values (#{name}, #{createTime}, #{updateTime})")
    void insertDept(Dept dept);

    @Select("select id, name, create_time, update_time from dept where id = #{id}")
    Dept getById(Integer id);

    @Update("update dept set name = #{name}, update_time = #{updateTime} where id = #{id}")
    void updateDept(Dept dept);
}
